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                <h2 id="Powerlevel10k">Powerlevel10k<a class="anchor" href="#Powerlevel10k">¶</a></h2>
<p><strong>Powerlevel10k is a theme for Zsh. It emphasizes speed, flexibility and out-of-the-box experience.</strong></p>
<h3 id="安装">安装<a class="anchor" href="#安装">¶</a></h3>
<p>使用操作系统软件管理器安装Zsh。</p>
<h3 id="安装Oh-My-Zsh主题">安装Oh-My-Zsh主题<a class="anchor" href="#安装Oh-My-Zsh主题">¶</a></h3>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token function">sh</span> <span class="token parameter variable">-c</span> <span class="token string">"<span class="token variable"><span class="token variable">$(</span><span class="token function">curl</span> <span class="token parameter variable">-fsSL</span> https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh<span class="token variable">)</span></span>"</span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
<p>wget不能走sock代理，推荐使用curl下载。</p>
<h3 id="基于Oh-My-Zsh的安装">基于Oh-My-Zsh的安装<a class="anchor" href="#基于Oh-My-Zsh的安装">¶</a></h3>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token function">git</span> clone <span class="token parameter variable">--depth</span><span class="token operator">=</span><span class="token number">1</span> https://github.com/romkatv/powerlevel10k.git <span class="token variable">$ZSH_CUSTOM</span>/themes/powerlevel10k<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
<h3 id="设置主题">设置主题<a class="anchor" href="#设置主题">¶</a></h3>
<p>在<code>.zshrc</code>文件中设置主题</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token assign-left variable">ZSH_THEME</span><span class="token operator">=</span><span class="token string">"powerlevel10k/powerlevel10k"</span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
<h3 id="生成配置文件">生成配置文件<a class="anchor" href="#生成配置文件">¶</a></h3>
<p>使用<code>p10k configure</code>配置Powerlevel10k。会自动根据选项生成<code>.p10k.zsh</code>文件。根据喜好设置配置文件。</p>
<h3 id="我的配置">我的配置<a class="anchor" href="#我的配置">¶</a></h3>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token comment"># The list of segments shown on the left. Fill it with the most important segments.</span>
 <span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> <span class="token assign-left variable">POWERLEVEL9K_LEFT_PROMPT_ELEMENTS</span><span class="token operator">=</span><span class="token punctuation">(</span>
   <span class="token comment"># =========================[ Line #1 ]=========================</span>
   context
   os_icon                 <span class="token comment"># os identifier</span>
   Greeting
   public_ip
   disk_usage
   <span class="token function">dir</span>                     <span class="token comment"># current directory</span>
   vcs                     <span class="token comment"># git status</span>
   <span class="token comment"># =========================[ Line #2 ]=========================</span>
   newline                 <span class="token comment"># \n</span>
   prompt_char             <span class="token comment"># prompt symbol</span>
 <span class="token punctuation">)</span>

 <span class="token comment"># The list of segments shown on the right. Fill it with less important segments.</span>
 <span class="token comment"># Right prompt on the last prompt line (where you are typing your commands) gets</span>
 <span class="token comment"># automatically hidden when the input line reaches it. Right prompt above the</span>
 <span class="token comment"># last prompt line gets hidden if it would overlap with left prompt.</span>
 <span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> <span class="token assign-left variable">POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS</span><span class="token operator">=</span><span class="token punctuation">(</span>
   <span class="token comment"># =========================[ Line #1 ]=========================</span>
   status                  <span class="token comment"># exit code of the last command</span>
   command_execution_time  <span class="token comment"># duration of the last command</span>
   background_jobs         <span class="token comment"># presence of background jobs</span>
   <span class="token comment">#direnv                  # direnv status (https://direnv.net/)</span>
   <span class="token comment">#asdf                    # asdf version manager (https://github.com/asdf-vm/asdf)</span>
   <span class="token comment">#virtualenv              # python virtual environment (https://docs.python.org/3/library/venv.html)</span>
   <span class="token comment">#anaconda                # conda environment (https://conda.io/)</span>
   <span class="token comment">#pyenv                   # python environment (https://github.com/pyenv/pyenv)</span>
   <span class="token comment">#goenv                   # go environment (https://github.com/syndbg/goenv)</span>
   <span class="token comment">#nodenv                  # node.js version from nodenv (https://github.com/nodenv/nodenv)</span>
   nvm                     <span class="token comment"># node.js version from nvm (https://github.com/nvm-sh/nvm)</span>
   nodeenv                 <span class="token comment"># node.js environment (https://github.com/ekalinin/nodeenv)</span>
   <span class="token comment"># node_version          # node.js version</span>
   <span class="token comment"># go_version            # go version (https://golang.org)</span>
   <span class="token comment"># rust_version          # rustc version (https://www.rust-lang.org)</span>
   <span class="token comment"># dotnet_version        # .NET version (https://dotnet.microsoft.com)</span>
   <span class="token comment"># php_version           # php version (https://www.php.net/)</span>
   <span class="token comment"># laravel_version       # laravel php framework version (https://laravel.com/)</span>
   <span class="token comment">#rbenv                   # ruby version from rbenv (https://github.com/rbenv/rbenv)</span>
   <span class="token comment">#rvm                     # ruby version from rvm (https://rvm.io)</span>
   <span class="token comment">#fvm                     # flutter version management (https://github.com/leoafarias/fvm)</span>
   <span class="token comment">#luaenv                  # lua version from luaenv (https://github.com/cehoffman/luaenv)</span>
   <span class="token comment">#jenv                    # java version from jenv (https://github.com/jenv/jenv)</span>
   <span class="token comment">#plenv                   # perl version from plenv (https://github.com/tokuhirom/plenv)</span>
   <span class="token comment">#phpenv                  # php version from phpenv (https://github.com/phpenv/phpenv)</span>
   kubecontext             <span class="token comment"># current kubernetes context (https://kubernetes.io/)</span>
   <span class="token comment">#terraform               # terraform workspace (https://www.terraform.io)</span>
   <span class="token comment">#aws                     # aws profile (https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-profiles.h</span>
   <span class="token comment">#aws_eb_env              # aws elastic beanstalk environment (https://aws.amazon.com/elasticbeanstalk/)</span>
  <span class="token comment"># azure                   # azure account name (https://docs.microsoft.com/en-us/cli/azure)</span>
   <span class="token comment">#gcloud                  # google cloud cli account and project (https://cloud.google.com/)</span>
   <span class="token comment">#google_app_cred         # google application credentials (https://cloud.google.com/docs/authentication/productio</span>
   <span class="token comment">#context                 # user@hostname</span>
   <span class="token comment">#nordvpn                 # nordvpn connection status, linux only (https://nordvpn.com/)</span>
   ranger                  <span class="token comment"># ranger shell (https://github.com/ranger/ranger)</span>
   <span class="token comment">#nnn                     # nnn shell (https://github.com/jarun/nnn)</span>
   vim_shell               <span class="token comment"># vim shell indicator (:sh)</span>
   <span class="token comment">#midnight_commander      # midnight commander shell (https://midnight-commander.org/)</span>
   <span class="token comment">#nix_shell               # nix shell (https://nixos.org/nixos/nix-pills/developing-with-nix-shell.html)</span>
   vi_mode                 <span class="token comment"># vi mode (you don't need this if you've enabled prompt_char)</span>
   <span class="token comment"># vpn_ip                # virtual private network indicator</span>
    load                  <span class="token comment"># CPU load</span>
    disk_usage            <span class="token comment"># disk usage</span>
    <span class="token function">ram</span>                   <span class="token comment"># free RAM</span>
    swap                  <span class="token comment"># used swap</span>
   <span class="token comment">#todo                    # todo items (https://github.com/todotxt/todo.txt-cli)</span>
   timewarrior             <span class="token comment"># timewarrior tracking status (https://timewarrior.net/)</span>
   <span class="token function">time</span>                    <span class="token comment"># current time</span>
   <span class="token comment">#my_weather</span>
   <span class="token comment"># =========================[ Line #2 ]=========================</span>
   newline                 <span class="token comment"># \n</span>
    <span class="token function">ip</span>                    <span class="token comment"># ip address and bandwidth usage for a specified network interface</span>
   <span class="token comment"># public_ip             # public IP address</span>
   <span class="token comment"># proxy                 # system-wide http/https/ftp proxy</span>
    battery               <span class="token comment"># internal battery</span>
   <span class="token comment"># wifi                  # wifi speed</span>
   <span class="token comment"># example               # example user-defined segment (see prompt_example function below)</span>
 <span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
<p>默认情况下<code>context</code>组件不显示，需要修改才能显示：</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token comment">##################################[ context: user@hostname ]##################################</span>
  <span class="token comment"># Context color when running with privileges.</span>
  <span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> <span class="token assign-left variable">POWERLEVEL9K_CONTEXT_ROOT_FOREGROUND</span><span class="token operator">=</span><span class="token number">178</span>
  <span class="token comment"># Context color in SSH without privileges.</span>
  <span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> POWERLEVEL9K_CONTEXT_<span class="token punctuation">{</span>REMOTE,REMOTE_SUDO<span class="token punctuation">}</span>_FOREGROUND<span class="token operator">=</span><span class="token number">180</span>
  <span class="token comment"># Default context color (no privileges, no SSH).</span>
  <span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> <span class="token assign-left variable">POWERLEVEL9K_CONTEXT_FOREGROUND</span><span class="token operator">=</span><span class="token number">180</span>

  <span class="token comment"># Context format when running with privileges: bold user@hostname.</span>
  <span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> <span class="token assign-left variable">POWERLEVEL9K_CONTEXT_ROOT_TEMPLATE</span><span class="token operator">=</span><span class="token string">'%B%n@%m'</span>
  <span class="token comment"># Context format when in SSH without privileges: user@hostname.</span>
  <span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> POWERLEVEL9K_CONTEXT_<span class="token punctuation">{</span>REMOTE,REMOTE_SUDO<span class="token punctuation">}</span>_TEMPLATE<span class="token operator">=</span><span class="token string">'%n@%m'</span>
  <span class="token comment"># Default context format (no privileges, no SSH): user@hostname.</span>
  <span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> <span class="token assign-left variable">POWERLEVEL9K_CONTEXT_TEMPLATE</span><span class="token operator">=</span><span class="token string">'%n@%m'</span>

  <span class="token comment"># Don't show context unless running with privileges or in SSH.</span>
  <span class="token comment"># Tip: Remove the next line to always show context.</span>
  <span class="token comment"># 在这里开启了context一直显示的选项</span>
  <span class="token comment">#typeset -g POWERLEVEL9K_CONTEXT_{DEFAULT,SUDO}_{CONTENT,VISUAL_IDENTIFIER}_EXPANSION=</span>

  <span class="token comment"># Custom icon.</span>
  <span class="token comment"># typeset -g POWERLEVEL9K_CONTEXT_VISUAL_IDENTIFIER_EXPANSION='⭐'</span>
  <span class="token comment"># Custom prefix.</span>
  <span class="token comment"># typeset -g POWERLEVEL9K_CONTEXT_PREFIX='%246Fwith '</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
<p>默认情况的IP组件无法显示，需要配置相应的网卡信息：</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token comment"># Show information for the first network interface whose name matches this regular expression.</span>
 <span class="token comment"># Run `ifconfig` or `ip -4 a show` to see the names of all network interfaces.</span>
 <span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> <span class="token assign-left variable">POWERLEVEL9K_IP_INTERFACE</span><span class="token operator">=</span><span class="token string">'wlp2s0*'</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span></span></code></pre>
<p>自己扩展功能的方式就是以shell中函数的方式定义。函数名需要以<code>prompt_my_</code>作为前缀。在前面的设置中直接写之后的函数就行。显示必须依托<code>p10k segment</code>才能显示在主题中。可以使用<code>p10k help segment</code>获取使用方法。</p>
<p>修改显示的系统图标：</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token comment">#################################[ os_icon: os identifier ]##################################</span>
<span class="token comment"># OS identifier color.</span>
<span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> <span class="token assign-left variable">POWERLEVEL9K_OS_ICON_FOREGROUND</span><span class="token operator">=</span><span class="token number">255</span>
<span class="token comment"># Make the icon bold.</span>
<span class="token comment">#typeset -g POWERLEVEL9K_OS_ICON_CONTENT_EXPANSION='%B${P9K_CONTENT}'</span>
<span class="token comment"># 修改显示的系统图标为Arch</span>
<span class="token builtin class-name">typeset</span> <span class="token parameter variable">-g</span> <span class="token assign-left variable">POWERLEVEL9K_OS_ICON_CONTENT_EXPANSION</span><span class="token operator">=</span>%B<span class="token string">$'<span class="token entity" title="\uF303">\uF303</span> '</span>     <span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
<p><code>'\uF303'</code>为Arch图标，<code>'\uF17c'</code>为Linux图标。后面如果显示字符位不足的时候在编码后添加适量空格，<code>%B</code>表示加粗。</p>
<h3 id="自定义的问候语程序">自定义的问候语程序<a class="anchor" href="#自定义的问候语程序">¶</a></h3>
<p>实现思路：通过<code>date</code>程序获取当前小时数。通过小时数判断当前是哪一个时间段。</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token keyword">function</span> <span class="token function-name function">prompt_Greeting</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token builtin class-name">local</span> <span class="token assign-left variable">hour</span><span class="token operator">=</span><span class="token variable"><span class="token variable">`</span><span class="token function">date</span> <span class="token string">"+%H"</span><span class="token variable">`</span></span>
    <span class="token builtin class-name">local</span> <span class="token assign-left variable">name</span><span class="token operator">=</span><span class="token string">",king"</span>
    <span class="token keyword">if</span> <span class="token punctuation">[</span> <span class="token variable">$hour</span> <span class="token parameter variable">-lt</span> <span class="token number">12</span> <span class="token parameter variable">-a</span> <span class="token variable">$hour</span> <span class="token parameter variable">-gt</span> <span class="token number">4</span>  <span class="token punctuation">]</span>
    <span class="token keyword">then</span> 
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">str</span><span class="token operator">=</span><span class="token string">"Morning"</span>
    <span class="token keyword">elif</span> <span class="token punctuation">[</span> <span class="token variable">$hour</span> <span class="token parameter variable">-eq</span> <span class="token number">12</span> <span class="token punctuation">]</span>
    <span class="token keyword">then</span>
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">str</span><span class="token operator">=</span><span class="token string">"Noon"</span>
    <span class="token keyword">elif</span> <span class="token punctuation">[</span> <span class="token variable">$hour</span> <span class="token parameter variable">-gt</span> <span class="token number">12</span> <span class="token parameter variable">-a</span> <span class="token variable">$hour</span> <span class="token parameter variable">-lt</span> <span class="token number">19</span> <span class="token punctuation">]</span>                                                                            
    <span class="token keyword">then</span>
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">str</span><span class="token operator">=</span><span class="token string">"Afternoon"</span>
    <span class="token keyword">else</span>
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">str</span><span class="token operator">=</span><span class="token string">"Evening"</span>
    <span class="token keyword">fi</span>
    p10k segment <span class="token parameter variable">-f</span> <span class="token number">208</span> <span class="token parameter variable">-i</span> <span class="token string">'㋡'</span> <span class="token parameter variable">-t</span> <span class="token variable">$str</span><span class="token variable">$name</span> 
  <span class="token punctuation">}</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
<h3 id="自定义的显示当前天气的程序">自定义的显示当前天气的程序<a class="anchor" href="#自定义的显示当前天气的程序">¶</a></h3>
<p>实现思路：先查询电脑是否连接网络。若连接，去<code>/tmp</code>路径中查找是否有一年中相同天数相同小时的文件。这个路径下的文件在关机后自动删除，所以在这不考虑重复的可能。每小时去获取一次当前天气。避免频繁获取造成的终端响应缓慢。获取后写入文件中，同一小时内，天气信息从文件中获取。</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token keyword">function</span> <span class="token function-name function">prompt_my_weather</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token function">ping</span> <span class="token parameter variable">-c1</span> <span class="token number">114.114</span>.114.114 <span class="token operator">&amp;&gt;</span> /dev/null
    <span class="token keyword">if</span> <span class="token punctuation">[</span> <span class="token variable">$?</span> <span class="token parameter variable">-eq</span> <span class="token number">0</span> <span class="token punctuation">]</span>
    <span class="token keyword">then</span>
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">weatherDay</span><span class="token operator">=</span><span class="token variable"><span class="token variable">`</span><span class="token function">date</span> <span class="token string">"+%j"</span><span class="token variable">`</span></span>
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">weatherHour</span><span class="token operator">=</span><span class="token variable"><span class="token variable">`</span><span class="token function">date</span> <span class="token string">"+%H"</span><span class="token variable">`</span></span>
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">weatherPath</span><span class="token operator">=</span><span class="token string">"/tmp/"</span>
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">weatherName</span><span class="token operator">=</span><span class="token string">"my_weather"</span>
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">weatherFileType</span><span class="token operator">=</span><span class="token string">".txt"</span>
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">weatherFile</span><span class="token operator">=</span><span class="token variable">$weatherPath</span><span class="token variable">$weatherName</span><span class="token variable">$weatherDay</span><span class="token variable">$weatherHour</span><span class="token variable">$weatherFileType</span>
        <span class="token keyword">if</span> <span class="token punctuation">[</span> <span class="token operator">!</span> <span class="token parameter variable">-e</span> <span class="token variable">$weatherFile</span> <span class="token parameter variable">-o</span> <span class="token operator">!</span> <span class="token parameter variable">-s</span> <span class="token variable">$weatherFile</span> <span class="token punctuation">]</span>
        <span class="token keyword">then</span>
            <span class="token function">touch</span> <span class="token string">"<span class="token variable">$weatherFile</span>"</span>
            <span class="token builtin class-name">local</span> <span class="token assign-left variable">weather</span><span class="token operator">=</span><span class="token variable"><span class="token variable">`</span><span class="token function">curl</span> <span class="token parameter variable">-s</span> <span class="token string">"wttr.in/?format=3 "</span><span class="token variable">`</span></span>
            <span class="token builtin class-name">echo</span> <span class="token variable">$weather</span> <span class="token operator">&gt;</span> <span class="token variable">$weatherFile</span>
        <span class="token keyword">else</span>
            <span class="token builtin class-name">local</span> <span class="token assign-left variable">weather</span><span class="token operator">=</span><span class="token variable"><span class="token variable">$(</span><span class="token function">cat</span> $weatherFile<span class="token variable">)</span></span>
        <span class="token keyword">fi</span>
    <span class="token keyword">else</span>
        <span class="token builtin class-name">local</span> <span class="token assign-left variable">weather</span><span class="token operator">=</span><span class="token string">"无网络"</span>
    <span class="token keyword">fi</span>
    p10k segment <span class="token parameter variable">-f</span> <span class="token string">'#ffb44b'</span> <span class="token parameter variable">-t</span> <span class="token variable">$weather</span>

 <span class="token punctuation">}</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>

                
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